X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=a583d35dffb30ab63911478a18d75deb2ddaa03b;hb=f4e8bca5eaa6e6db42299fe2f3852fb2e07508c7;hp=f6cc23bbcc57034af6775fc5b5bfadb38cd00a0f;hpb=19ffc2c1611e82a4397a98778fbf66430b1171dc;p=sbcl.git diff --git a/NEWS b/NEWS index f6cc23b..a583d35 100644 --- a/NEWS +++ b/NEWS @@ -1,3 +1,165 @@ +changes in sbcl-0.8.17 relative to sbcl-0.8.16: + * new feature: a build-time option (controlled by the :SB-UNICODE + keyword feature, enabled by default) for building the system with + support for the entire 21-bit character space defined by the + Unicode consortium. + * new feature: the system now has rudimentary external-format + support; the primary user-visible change at this time is that + characters with the high bit set (such as lower-case-e-acute) will + print correctly to a terminal in a UTF-8 environment. + * minor incompatible change: BASE-CHAR no longer names a class; + however, CHARACTER continues to do so, as required by ANSI. + * minor incompatible change: SB-DEBUG:*DEBUG-PRINT-FOO* variables + are no longer supported, and SB-DEBUG:*DEBUG-PRINT-VARIABLE-ALIST* + has been moved to the SB-EXT package (temporarily re-exported from + SB-DEBUG). + * minor incompatible change: SB-C::*COMPILER-ERROR-PRINT-FOO* variables + are no longer supported: use SB-EXT:*COMPILER-PRINT-VARIABLE-ALIST* + instead. + * fixed bug #351: better error-handlind and reporting for malformed + LET and LET* forms. + * fixed bug #350: bignum-printing is now more memory-efficient, + allowing printing of very large bignums, eg. (expt 2 10000000). + (reported by Bruno Haible) + * fixed bug #302: better primitive-type selection for intersection + types. + * fixed bug #308: non-graphic characters now all have names, as + required. (reported by Bruno Haible) + * bug fix: (SETF FIND-CLASS) using a FORWARD-REFERENCED-CLASS as the + new value now works. (reported by Bruno Haible) + * bug fix: correct canonicalization of multiple non-standard slot + options in DEFCLASS as per AMOP 5.4.2. (reported by Bruno Haible) + * bug fix: SB-MOP:CLASS-PROTOTYPE now signals an error if the class + is not yet finalized, as required by AMOP. (reported by Bruno Haible) + * bug fix: SB-MOP:ALLOCATE-INSTANCE method for instances of BUILT-IN-CLASS + now exists, an signals an error. + * bug fix: duplicate LOOP variable bindings now signal PROGRAM-ERROR + during macroexpansion for non-iteration variables as well. (reported + by Bruno Haible for CMUCL) + * bug fix: Cyclic structures and unprintable objects in compiler + messages no longer cause errors. (reported by Bruno Haible) + * bug fix: READ, READ-PRESERVING-WHITESPACE, READ-DELIMITED-LIST, + and READ-FROM-STRING all now return a primary value of NIL if + *READ-SUPPRESS* is true. (reported by Bruno Haible for CMUCL) + * bug fix: Default value of EOF-ERROR-P in READ-FROM-STRING is true. + (reported by Bruno Haible for CMUCL) + * bug fix: ERROR now signals a TYPE-ERROR if the arguments to ERROR + do not designate a condition. (reported by Bruno Haible for + CMUCL) + * bug fix: UNINTERN, USE-PACKAGE, IMPORT and EXPORT all signal an + SB-EXT:NAME-CONFLICT condition (subtype of PACKAGE-ERROR) in the + name conflict situations in CLHS 11.1.1.2.5, and provide a restart + permitting resolution in favour of any of the conflicting symbols. + (reported by Bruno Haible for CMUCL) + * bug fix: EQUAL compiler optimizations is less aggressive on + strings which can potentially compare true despite having distinct + specialized array element types. + * bug fix: unit enumerations can be defined without dividing by + zero. (thanks to Vincent Arkesteijn) + * FORMAT compile-time argument count checking has been enhanced. + (report from Bruno Haible for CMUCL) + * a partial workaround for the bug 262: the compiler does not try to + inline-expand a local function doing RETURN-FROM from a deleted + BLOCK. (thanks to Peter Denno for the bug report and to David + Wragg for the simple test case) + * fixed some bugs revealed by Paul Dietz' test suite: + ** RENAME-PACKAGE allows all package designators as new package + names. + ** constraint propagation and lambda variable substitution are + more cautious in dealing with partially deleted code. + ** compiler sometimes lost reoptimization passes. + ** CERROR, given a condition as condition designator, passes its + remaining arguments to the continue format control without + complaint. + ** Case-altering FORMAT directives work correctly on non-ASCII + characters. + ** The REAL type specifier handles bounds outside the floating + point ranges without signalling FLOATING-POINT-OVERFLOW. + ** Functions with IR1-transformations can create intercomponent + references to global functions. + ** NIL parameter to the FORMAT directive ~^ means `unsupplied + parameter'. + ** FORMAT ~R treats a nil value for its first parameter correctly. + +changes in sbcl-0.8.16 relative to sbcl-0.8.15: + * enhancement: saving cores with foreign code loaded is now + supported on x86/NetBSD and sparc/Linux in addition to the previously + supported platforms. + * bug fix: on some platforms repeated installations caused multiple + copies of HTML documentation to be installed -- should not happen + any more. (reported by Stefan Scholl) + * bug fix: parsing self-recursive alien record types multiple times + no longer causes infinite recursion. (reported by Thomas F. Burdick, + original patch by Helmut Eller for CMUCL) + * bug fix: stack-exhaustion detection works now on NetBSD as well. + (thanks to Richard Kreuter) + * bug fix: defining classes whose accessors are methods on existing + generic functions in other (locked) packages no longer signals + bogus package lock violations. (reported by François-René Rideau) + * bug fix: special variables as DEFMETHOD parameters no longer have + associated bogus type declarations. (reported by David Wragg and + Bruno Haible) + * bug fix: read-write consistency on streams of element-type + (SIGNED-BYTE N) for N > 32. (reported by Bruno Haible for CMUCL) + * bug fix: redefiniton of the only method of a generic function with + no DEFGENERIC no longer emits a full WARNING. In addition, + redefinition of generic functions with no DEFGENERIC to an + incompatible lambda list now signals an error. (thanks to Zach + Beane) + * bug fix: DEFGENERIC now works even when there's a function of the + same name in an enclosing lexical environment. (thanks to Zach + Beane) + * fixed compiler failure, caused by instrumenting code during + IR1-optimization. (Debian bug report #273606 by Gabor Melis) + * optimization: added loop analysis and improved register allocation + * fixed some bugs revealed by Paul Dietz' test suite: + ** POSITION on displaced vectors with non-zero displacement + returns the right answer. + ** (SIMPLE-STRING) is a valid type specifier for sequence + creators. + ** *PRINT-LEVEL* handling for slotless structures is pedantically + correct. + ** PPRINT-INDENT accepts a request for an indentation of any REAL. + ** PPRINT-TAB (and the FORMAT ~T directive) now indent by the + correct amounts. + ** The justification version of the FORMAT ~< directive treats + non-zero minpad parameter correctly. + +changes in sbcl-0.8.15 relative to sbcl-0.8.14: + * incompatible change: SB-INT:*BEFORE-SAVE-INITIALIZATIONS* and + SB-INT:*AFTER-SAVE-INITIALIZATIONS* have been renamed + SB-EXT:*SAVE-HOOKS* and SB-EXT:*INIT-HOOKS*, and are now part of + the supported interface. + * new feature: Single-stepping of code compiled with DEBUG 2 or + higher and (> DEBUG (MAX SPACE SPEED)) is now possible. + * new feature: saving cores with foreign code loaded is now + supported on x86/FreeBSD, x86/Linux, and sparc/SunOS. (based on + Timothy Moore's work for CMUCL) + * bug fix: DEFTYPE lambda-list parsing now binds unsupplied keyword + parameters to * instead of NIL if no initform is supplied. + (reported by Johan Bockgaard) + * bug fix: DEFINE-COMPILER-MACRO lambda-list parsing now binds + correctly when FUNCALL appears as the car of the form. Note: + despite this FUNCALL forms are not currently subject to + compiler-macro expansion. (port of Raymond Toy's fix for the + same from CMUCL, reported by Johan Bockgaard) + * bug fix: FOR ... ON ... -clauses in LOOP now work on dotted lists + (thanks for Teemu Kalvas) + * bug fix: in FORMAT ~^ inside ~:{ now correctly steps to the next + case instead of terminating the iteration (thanks for Julian + Squires, Sean Champ and Raymond Toy) + * bug fix: incorrect expansion of defgeneric that caused a style + warning. (thanks for Zach Beane) + * bug fix: slot accessor effective method computation works properly + for classes with multiple non-standard applicable methods on + SB-MOP:SLOT-VALUE-USING-CLASS. (reported by Ralf Mattes) + * on x86 compiler supports stack allocation of results of LIST and + LIST*, bound to variables, declared DYNAMIC-EXTENT. (based on + CMUCL implementation by Gerd Moellmann) + * fixed some bugs revealed by Paul Dietz' test suite: + ** FORMAT strings with both the ~<~:;~> form of the justification + directive and pretty-printing directives cause an error. + changes in sbcl-0.8.14 relative to sbcl-0.8.13: * incompatible change: the internal functions SB-KERNEL:32BIT-LOGICAL-FOO, intended for providing efficient @@ -7,8 +169,10 @@ changes in sbcl-0.8.14 relative to sbcl-0.8.13: * new feature: on platforms where "dladdr" is available foreign function names now appear in backtraces. (based on Helmut Eller's work for CMUCL) - * documentation: networking interface SB-BSD-SOCKETS' documentation - has been integrated into the user manual. + * documentation: documentation for SB-BSD-SOCKETS, SB-GRAY, + SB-SIMPLE-STREAMS, and SB-PROFILE have been integrated into the user + manual. + * documentation: ASDF manual is now distributed with SBCL. * bug fix: SBCL can now load its contributed modules with REQUIRE even if the system-provided entries have been removed from ASDF:*CENTRAL-REGISTRY*. Infinite recursion in REQUIRE is also @@ -30,10 +194,16 @@ changes in sbcl-0.8.14 relative to sbcl-0.8.13: * bug fix: pass the right initargs to :BEFORE or :AFTER methods on SHARED-INITIALIZE or INITIALIZE-INSTANCE in optimized MAKE-INSTANCE constructors. (reported by Axel Schairer for cmucl) + * bug fix: pathnames with relative directory components can be + represented relative to default pathnames. * optimization: in taking the GCD of bignums, reduce the two bignums to approximately the same size (using Euclid's algorithm) before applying the more sophisticated binary GCD. (thanks to Juho Snellman) + * optimization: COUNT on bitvectors now operates word-at-a-time. + * optimization: ASH with a positive, but not necessarily constant, + (leftwards) shift, when in a modular context, is compiled to a + hardware shift. * fixed some bugs revealed by Paul Dietz' test suite: ** FORMAT variable parameters ("~V") are defaulted properly if the corresponding argument is NIL. @@ -44,6 +214,12 @@ changes in sbcl-0.8.14 relative to sbcl-0.8.13: ** literal spaces directly after ~ directives within a format-logical-block (~:< ~@:>) do not induce :FILL-style conditional newlines. + ** PRINT-UNREADABLE-OBJECT inserts spaces as specified (and only + as specified: it no longer includes conditional newlines). + ** PRINC-TO-STRING binds *PRINT-READABLY* to NIL (as well as + *PRINT-ESCAPE*). + ** PPRINT-LOGICAL-BLOCK signals a TYPE-ERROR if its :PREFIX or + :PER-LINE-PREFIX argument does not evaluate to a string. changes in sbcl-0.8.13 relative to sbcl-0.8.12: * new feature: SB-PACKAGE-LOCKS. See the "Package Locks" section of